Neighborhood Report
Grade C
Tahlequah, OK Neighborhood Water Quality — Grade C
2 ZIP codes · 52 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-04
Water quality varies significantly across Tahlequah, OK. We analyzed 2 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (64/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 0 | 0% |
| B | 0 | 0% |
| C | 2 | 100% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Tahlequah ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 74465 | 69 | C | 26 | 0.0022 mg/L |
| 2 | 74464 | 59 | C | 26 | 0.0022 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 1 neighborhoods score better than county average
- 1 neighborhoods score worse than county average
EPA Violations
- 52 total violations across Tahlequah
- 16 health-based violations
- 2 of 2 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Total Trihalomethanes (TTHM) | 14 | 2 |
| Stage 2 DBP Rule | 8 | 2 |
| Surface Water Treatment Rule | 8 | 2 |
| Haloacetic Acids (HAA5) | 6 | 2 |
| Consumer Confidence Report Rule | 6 | 2 |
Frequently Asked Questions
What is the safest neighborhood in Tahlequah?
ZIP code 74465 has the highest safety score in Tahlequah at 69/100 (grade C). Check the full report for details.
Is Tahlequah water safe to drink?
Tahlequah has an average water safety score of 64/100 (C). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.